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This is mainly gear towards those with an early to mid 90's chevy/gmc 1/2 ton x-cab conversion but would be interested in others experiences.
Include the following in your post:
engine displacement ~ modifications (including exhaust)
transmission used (also modifications of)
rear axle ratio
If you have dyno information or track times, feel free to include that as well.
Thanks
2004 5.3 Crew Cab 1500, 3.42's, FLT 4L65E trans, Mods (see sig), dyno 400+, weight ~6,000 lbs, Times 8.62 @ 82 mph 1/8 13.52 @ 99.80 1/4 (with terrible 60 ft!!)
14-16 City
18-22 HWY
i get a solid 22mpg at 85mph on the hwy
town about 18 0r so
http://i136.photobucket.com/albums/q...Picture345.jpg
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MPG: HIGHWAY 9MPG @ 80MPH
HIGHWAY 11 @ AROUND 60MPH
CITY: 5 WHEN ACCELERATING
5.3l V8, HEADERS, EXHAUST, S&B INTAKE, TB SPACER, EDGE TUNER, FABTECH LIFT, 18'' RIMS ON 35''
STOCK TRANNY
DYNO?> NOT YET
TRACK TIMES I REMEBER HITTING A 17.3 WITHOUT MODS :(
BUT THEN AGAIN IT WIEGHS AS MUCH AS AN ABRAMS TANK
Jeez that is bad.
I get 18-20 on highway.
Making about 15 passes at the track, and doing some racing in Mexico I got 14. Putting around town, I get 16 and with my foot out of it i can easily get 17 around town. My v6 would get 15 no matter what.
Fuel mileage, whats that? 10 gallons a week going to the track, racing and driving home. :thumb:
i get right around 15 driving as easy as i can!!
intake and TBS
11 City
15-17 highway
MAYBE I SHOULD GO GREEN............................................. .................................................. .................................................. .................................................. .................................................. .................................................. .......................
NOT! LOL :LOL: :burnrub: :tvhaha:
THANK GOD GAS PRICES ARE SOMEWHAT STABLE HERE IN LAREDO HAVENT REALLY GONE UP THATS GOOD.
18-20 around town
19-22 highway
346ci Trick Turbo T-76, Comp 918 springs,Magnaflow 3" in/out, 60lb injectors, Nelson Performance speed density tune, Airaid intake.
Stock 4L60E
3.42 gears
12.7@108 1/4 4370 Lbs with fat little driver.
15 city and somewhere around 21.8 highway if I keep it under 85!
3.73 rear axle ratio
10 m/g around town max speed 35 m/h
17.5 m/g at 65m/h
15 m/g at 80 m/h
funny thing is wind doesn't change mileage unless it is blowing more than 20--- against or with the wind!
my standard cab 98 gets 17mpg at 75 with 6.0 80e and 3.42s
92 Suburban 454 Guzzler 4l80,4:10 Gears,7.5 With Air Off,4.5 Using The A/c City,cant Wait To Do A 6.0 Swap!!!!!!!!!!!!!!!!!!!!!!1
not enough!!!!
something like 15 or 17 on hw
town 12 or 14 and thats giving alittle
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